<html>
<head>
    <title>index page</title>
    <style>
       table td{
            border:1px solid #F00
        }
    </style>
</head>
<body>
<h1>this is your page!</h1>
<table class="table">
    <tr><td>name</td><td>age</td></tr>
    <tr><td>duke_qian</td><td>31</td></tr>
</table>
</body>
</html>